Acneus beeri
Acneus beeri, also known as Beer's false water penny beetle, is a species of aquatic beetle in the family Psephenidae. It is known from a single female specimen that was collected east of Cascadia, Oregon in July 1940.
Acneus beeri, also known as Beer's false water penny beetle, is a species of aquatic beetle in the family Psephenidae. It is known from a single female specimen that was collected east of Cascadia, Oregon in July 1940.